electro-motive

Webster's Dictionary (1913)

Producing electro-motion; producing, or tending to produce, electricity or an electric current; causing electrical action or effects.

Electro-motive force Physics, the force which produces, or tends to produce, electricity, or an electric current; sometimes used to express the degree of electrification as equivalent to potential, or more properly difference of potential.

Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54